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Expired Canadian patentCanada

Process for converting petroleum heavy fractions comprising hydro conversion in boiling pits and a hydrotreatment stage

CA 2301985 C · Owner: Institut Francais Du Petrole · Inventors: Kressmann, Stephane; Duplan, Jean-Luc; Morel, Frederic

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The invention concerns a process for converting a hydrocarbon fraction with a sulphur content of at least 0.1% by weight an initial boiling point of at least 340° C. and an end point of at least 440° C. characterized in that it comprises the following steps: (a) treating the hydrocarbon feed in a treatment section in the presence of hydrogen said section comprising at least one three-phase reactor containing at least one ebullated bed hydroconversion catalyst and operating in liquid and gas upflow mode; (b) sending at least a portion of the effluent from step a) to a section for eliminating catalyst particles contained in said effluent; (c) sending at least a portion of the effluent from …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed March 22, 2000 and granted November 22, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 22, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 22, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 22, 2000
GrantedNovember 22, 2011
Term endedMarch 22, 2020
Patent numberCA 2301985 C
Classification (IPC)C10G47/24 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedMarch 22, 2000Patent grantedNov 22, 2011Term endedMarch 22, 2020

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.